The day is gray and cloudy. It's a good day to snuggle up with a book, a fine day for make-believe, until . . . the sun bursts through the clouds. Now it's a great day to fly a kite, the perfect day to ride a bike. No matter what the weather, each new day is a fresh opportunity to stretch and to explore. Caldecott Honor recipient Donald Crews celebrates the familiar activities that keep two siblings and their parents busy-and happy--from sunrise to bedtime.